He encontrado esto por XDA
[INFO] USB host works with female to female USB gender changer
List of devices that work:
HTC Hero - Mass Storage mode (works 2 out of 5 tries aprox.)
Logitech G9 - Works, although only default buttons (left, right, scroll, middle) seem to work
SanDisk Cruzer 4GB USB Stick - Works
Generic Logitech wired keyboard - Works, although not all keys do.
List of devices that DON'T work:
Logitech Wireless Keyboard K250
USB external DAC
Generic Logitech USB mouse